Subtract 15/72 from 10/35, Solve 10/35

Subtract 15/72 from 10/35

10/35 - 15/72 is 13/168.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 35 × 72 = 2520,
10/35 = 10 × 72/35 × 72 = 720/2520
Likewise, for the 2nd fraction, since 72 × 35 = 2520,
15/72 = 15 × 35/72 × 35 = 525/2520
Subtract the two like fractions:
720/2520 - 525/2520 = 720 - 525/2520 = 195/2520
After reducing the fraction, the answer is 13/168

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad